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◆ Educations
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1
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1986-Univ. of Rochester(박사-함수해석학)
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2
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1984-Univ. of Rochester(석사-수학)
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3
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1981-서울대학교(학사-수학)
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◆ Professional
Experience |
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1
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1990/08-1991/07:Kent State University(수학과), 방문교수
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2
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1986/09-1988/07:부산대학교 자연과학대학(수학과), 전임강사
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◆ Fields
Of Specialization |
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◆ Journal Papers
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1
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Y.S. Choi, D. Garcia, S.G. Kim, M. Maestre, "The polynomial numerical index of a Banach space", Proceedings of the Edinburgh Mathematical Society, Vol.49, pp.39-52 the Edinburgh Mathematical Society (2006).
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2
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Y.S. Choi, K.H. Han, "Boundaries for algebras of holomorphic functions on Marcinkiewicz sequence spaces", Journal of Mathematical Analysis and applications, Vol.323, pp.1116-1133 Academic Press (2006).
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3
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Y.S. Choi, K.H. Han and H.G. Song, "Extensions of polynomials on preduals of Lorentz sequence spaces", Glasgow Mathematical Journal, Vol.47, pp.395-403 (2005.08).
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4
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Yun Sung Choi, S.G. Kim, "Exposed points of unit balls of the space P(^2l_p^2) (p= 1, 2,\infty)", Indian Journal of Pure and Applied Mathematics, Vol.35(1), , pp.37-41 (2004.05.01).
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5
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Yun Sung Choi, D. Garcia, S.G. Kim, M. Maestre, "Norm or numerical radius attaining polynomials on C(K)", Journal of Mathematical Analysis and Applications, Vol.295(1), , pp.80-96 Academic Press (2004.03.01).
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6
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Yun Sung Choi, Richard M. Aron, Christopher Boyd, "Unique Hahn-Banach theorems for spaces of homogeneous polynomials", Journal of Australian Mathematical Society, Vol.70, pp.387-400 Australian Mathematical Society (2001).
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7
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Yun Sung Choi, Richard M. Aron, Sung Guen Kim, Manuel Maestre, "Local properties of polynomials on a Banach space", Illinois Journal of mathematics, Vol.45(1), , pp.25-39 University of Illinois (2001).
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8
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Yun Sung Choi, Sung Guen Kim, Yolanda Melendez, Andrew Tonge, "Estimates for absolutely summing norms of polynomials and multilinear maps", Quarterly Journal of Mathematics, Vol.52, pp.1-12 Oxford University Press (2001).
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9
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Yun Sung Choi, Sung Guen Kim, "The $\Lambda$-function in the space $P(^2l_2^2)$", Journal of Inequalities and Applications, Vol.3, pp.303-311 Gordon and Breach Science (1999).
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10
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Yun Sung Choi, Sung Guen Kim, "Smooth points of the unit ball of the space $P(^2l_1)$", Results in Mathematics, Vol.36, pp.26-33 Birkhaeuser (1999).
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11
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Y.S. Choi, J. Alaminos, S.G. Kim and R. Paya, "Norm attaining bilinear forms on spaces of continuous functions", Glasgow Math. Journal, Vol.40, pp.359-365 (1998).
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12
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Yun Sung Choi and Sung Guen Kim, "Extreme polynomials on $c_0$", Indian Journal of Pure and Applied Mathematics, Vol.29 (10), pp.983-989 (1998).
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13
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Yun Sung Choi, Sung Guen Kim and Haseo Ki, "Extreme polynomials and multilinear forms on $l_1$", Journal of Mathematical Analysis and Application, Vol.228, pp.467-482 (1998).
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14
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Yun Sung Choi, "Norm attaining bilinear forms on $L^1[0,1]$", J. Math. Anal. Appl., Vol.211, pp.295-300 (1997).
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15
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Yun Sung Choi, "Some results on norm attaining bilinear forms on $L^1[0,1]$", Extracta Math., Vol.11, No. 1, pp.381-383 (1996).
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16
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Y.S.Choi, "Numerical Radius of a Holomorphic mapping", Geometric Complex AnalysisThird International Research Institute of Mathematical Society of Japan, World Scientific Pub., , pp.117-122 (1996).
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17
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Y. S. Choi, S. G. Kim, "Norm or Numerical Radius Attaining Multilinear mappings and polynomial", J. London Math. Soc., Vol.54, pp.135-147 (1996).
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18
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Y.S. Choi, S. G. Kim, "Polynomial properties of Banach spaces", J. Math. Anal. Appl, Vol.190, pp.203-210 (1995).
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19
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Y.S.Choi, R. Aron, J. Llavona, "Estimates by Polynomials", Bull. Austral. Math. Soc, Vol.52, pp.475-486 (1995).
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20
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Y.S.Choi, S. G. Kim, "Boundary behavior of a lifted holomorphic mapping", Proc. Royal Irish Academy, Vol.94A, No.1, pp.127132 (1994).
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21
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Y. S. Choi, S. G. Kim, "Compact diagonal linear operators on Babach spaces with unconditional basis", International J. Math. Math. Sci., Vol.16, No.4, pp.823-824 (1993).
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22
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Y.S.Choi, R. Aron, L. Lourenco, O. Paques, "Boundaries for algebras of analytic functions on infinite dimensional Banach spaces", Contemporary Math., Vol.144, pp.15－22 A.M.S (1993).
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23
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Y. S. Choi, "ELB holomorphic factorization over projective limit representations", Portugaliae Math., Vol.47 , Fasc.3, pp.331-339 (1990).
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24
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Y. S. Choi, "Spaces of holomorphic mappings on locally convex spaces", Portugaliae Math., Vol.45, Fasc.3, pp.279-293 (1988).
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25
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Y.S.Choi, "Concerning conditions for holomorphic factorization and uniform holomorphy", J. Math. Anal. Appl, Vol.135, No.2, pp.611－614 (1988).
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26
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Y. S. Choi, "A Generalization of Cartan's uniqueness theorem on locally convex spaces", Bull. Korean. Math. Soc., Vol.25 , NO.1, pp.01월 04일 (1988).
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◆ Invited Talk or Presentations
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1
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Yun Sung Cho, "Denseness of Norm or Numerical Radius Attaining Mappongs", International Conference on Operator Theory and its Applications, Kyungpook National Univ. (20061208-20061209).
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2
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Yun Sung Choi, "Developments of Bishop-Phelps Theorem", , Invited Talk in Seoul National Univ (20061110).
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3
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Yun Sung Choi, "Denseness of Norm-Attaining Mappings", Global KMS Day, Seoul National Univ (20061028-20061030).
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4
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Yun Sung Choi,, "Boundaries for Algebras of Holomorphic Functions", International Workshop on Operator Theory and Applications (IWOTA), Seoul National Univ (20060731-20060803).
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5
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Yun Sung Choi, "Numerical radius and Aron -Berner extension", First Joint Meeting RSME-AMS, Sevilla, Spain (20030618-20030621).
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6
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Yun Sung Choi, "A Norming Set of a Function Algebra on C(K)", , Indian Institute of Technology, Kharagpur, India (20021222-20021224).
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7
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Yun Sung Choi, "Norm Attaining Mapping on the Space C(K)", Function Theory on Infinitw Dimensional Spaces, Universidad Complutense de Madrid, Spain (20011217-20011220).
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8
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, "Geometric property of $\delta_k^m$ in the space $P(^mC(K))$", International Functional Analysis Meeting, Valencia, Spain (2000.07.03).
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9
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Yun Sung Choi, "Extreme and Smooth polynomials on Banach Spaces", 5-th Conference on Function Theory on Infinite Dimensional Spaces, Universidad Complutense de Madrid, Spain (1997.12).
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10
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Yun Sung Choi, "Extreme Polynomials on $l_1$", 5-th Chinese- Korean-Japanese Conference on Finite or Infinite Dimensional Complex Analysis, Peking University, Peking, China (1997.08).
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◆ Research Reports
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1
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, "Subreflexivity of spaces of polynomials", , (1996.03).
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2
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, "Approximation by polynomials on Banach spaces and its applications", , (1994.. .3.).
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3
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, "Holomorphic factorization for projective limit representations", , (1991..3.. ).
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◆ Research Activities
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1
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"Gepmetric properties for the densseness of norm attaining mappings", 20040501-20050225
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2
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"Article In Korean", 20030801-20040731
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3
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"Article In Korean", 20020801-20030731
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4
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"Journal Paper Support", 20020301-20030225
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5
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"Journal Paper Support", 20010301-20020225
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6
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"Article In Korean", 20000901-20010831
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7
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"Article In Korean", 20000501-20010228
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8
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"Article In Korean", 19991201-20001130
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9
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"Article In Korean", 19981201-19991130
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10
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"Article In Korean", 19981201-19991130
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11
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"Article In Korean", 19970701-19980630
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12
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"Article In Korean", 19970501-19980228
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13
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"Article In Korean", 19960701-19970630
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14
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"Article In Korean", 19960301-19980228
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15
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"Article In Korean", 19940301-19960228
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